CVE-2019-16921

NameCVE-2019-16921
DescriptionIn the Linux kernel before 4.17, hns_roce_alloc_ucontext in drivers/infiniband/hw/hns/hns_roce_main.c does not initialize the resp data structure, which might allow attackers to obtain sensitive information from kernel stack memory, aka CID-df7e40425813.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1undetermined
jessie (security)3.16.74-1undetermined
stretch4.9.189-3undetermined
stretch (security)4.9.189-3+deb9u1undetermined
buster4.19.67-2undetermined
buster (security)4.19.67-2+deb10u1undetermined
bullseye, sid5.2.17-1undetermined

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)undeterminedmedium

Notes

check, see kernel-sec

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